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Subjects
- Military Personnel[remove]64
- United States33
- Sexually Transmitted Diseases -- prevention & control28
- Sexual Behavior12
- Blood Donors8
- World War II7
- American National Red Cross.6
- Gonorrhea -- prevention & control6
- Red Cross6
- Malaria -- prevention & control5
- Syphilis -- prevention & control5
- Culicidae4
- Sexually Transmitted Diseases -- epidemiology4
- Gift Giving3
- Head Protective Devices3
- Health Promotion3
- Insect Bites and Stings -- prevention & control3
- Nurses3
- World War I3
- Blood Banks2